It would better improve the paragraph because it has nothin to do with the rest of the paragraph. The paragraph seems to be about team sports and promoting it, while sentence 3 is about individual sports are better then team sports. So removing sentence three would better promote CO-ED team sports.
J-ust love and sympathy
U-nited as one
S-urely will
T-ake us to a better world
I-n order to achieve justice
C-are for the rights of others
E-quality and humanity is needed
It would be c hope this help